2026 S-Corp Tax Calculator
Compare estimated federal and modeled state taxes for a single-member LLC under default disregarded-entity taxation and an S-corporation election across all 50 states.
This educational calculator estimates federal income tax, self-employment tax, payroll taxes, state taxes, and recurring entity fees. It is not tax or legal advice.
Estimate your LLC tax comparison
The interactive calculator uses your business state, annual gross receipts, annual net profit, tax filing status, and reasonable S-corporation salary to compare both tax treatments.
Default LLC and S-corporation results
Results show the estimated total tax for each treatment, the estimated difference, and a transparent breakdown of modeled federal and state amounts.